X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/546558eabd81cfc36a81a4df728fdfea0d83b41a..HEAD:/print-carp.c diff --git a/print-carp.c b/print-carp.c index 0a505238..a073908d 100644 --- a/print-carp.c +++ b/print-carp.c @@ -36,9 +36,7 @@ /* \summary: Common Address Redundancy Protocol (CARP) printer */ -#ifdef HAVE_CONFIG_H #include -#endif #include "netdissect-stdinc.h" @@ -52,33 +50,28 @@ carp_print(netdissect_options *ndo, const u_char *bp, u_int len, u_int ttl) const char *type_s; ndo->ndo_protocol = "carp"; - ND_TCHECK_1(bp); - version = (EXTRACT_U_1(bp) & 0xf0) >> 4; - type = EXTRACT_U_1(bp) & 0x0f; + nd_print_protocol_caps(ndo); + version = (GET_U_1(bp) & 0xf0) >> 4; + type = GET_U_1(bp) & 0x0f; if (type == 1) type_s = "advertise"; else type_s = "unknown"; - ND_PRINT("CARPv%u-%s %u: ", version, type_s, len); + ND_PRINT("v%u-%s %u: ", version, type_s, len); if (ttl != 255) ND_PRINT("[ttl=%u!] ", ttl); if (version != 2 || type != 1) return; - ND_TCHECK_1(bp + 2); - ND_TCHECK_1(bp + 5); ND_PRINT("vhid=%u advbase=%u advskew=%u authlen=%u ", - EXTRACT_U_1(bp + 1), EXTRACT_U_1(bp + 5), EXTRACT_U_1(bp + 2), EXTRACT_U_1(bp + 3)); + GET_U_1(bp + 1), GET_U_1(bp + 5), GET_U_1(bp + 2), + GET_U_1(bp + 3)); if (ndo->ndo_vflag) { struct cksum_vec vec[1]; vec[0].ptr = (const uint8_t *)bp; vec[0].len = len; if (ND_TTEST_LEN(bp, len) && in_cksum(vec, 1)) ND_PRINT(" (bad carp cksum %x!)", - EXTRACT_BE_U_2(bp + 6)); + GET_BE_U_2(bp + 6)); } - ND_PRINT("counter=%" PRIu64, EXTRACT_BE_U_8(bp + 8)); - - return; -trunc: - ND_PRINT("[|carp]"); + ND_PRINT("counter=%" PRIu64, GET_BE_U_8(bp + 8)); }